Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Fog

43°F

6°C

Humidity 100%
Wind Speed NNE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Last update 21 Jan 09:20 AM PST
Extended Forecast for

4 Miles E Hercules CA

  • Today

    Today: Areas of fog before 11am.  Otherwise, cloudy, with a high near 55. East wind around 6 mph.

    High: 55 °F

    Areas Fog
    then Cloudy

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, cloudy, with a low around 47. Light and variable wind becoming west around 5 mph after midnight.

    Low: 47 °F

    Cloudy then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 58. West southwest wind 5 to 7 mph.

    High: 58 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 46. Southwest wind around 7 mph.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 57. South wind around 6 mph becoming north northeast in the afternoon.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, cloudy, with a high near 55. East wind around 6 mph.
Tonight
Patchy fog after 1am. Otherwise, cloudy, with a low around 47. Light and variable wind becoming west around 5 mph after midnight.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. West southwest wind 5 to 7 mph.
Thursday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 46. Southwest wind around 7 mph.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 57. South wind around 6 mph becoming north northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
2:13 am PST Jan 21, 2026
9am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

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